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The command can now either be a string (as before) or a list of

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arguments for execvp (for those who don't want the shell's argument
parsing).
This commit is contained in:
Guido van Rossum 1997-09-18 20:00:39 +00:00
parent 963b871e86
commit 6dd4868681
1 changed files with 4 additions and 3 deletions
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7
Lib/popen2.py
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@ -12,7 +12,8 @@ def _cleanup():
class Popen3: class Popen3:
def __init__(self, cmd, capturestderr=0): def __init__(self, cmd, capturestderr=0):
cmd = ['/bin/sh', '-c', cmd] if type(cmd) == type(''):
cmd = ['/bin/sh', '-c', cmd]
p2cread, p2cwrite = os.pipe() p2cread, p2cwrite = os.pipe()
c2pread, c2pwrite = os.pipe() c2pread, c2pwrite = os.pipe()
if capturestderr: if capturestderr:
@ -34,7 +35,7 @@ class Popen3:
os.close(i) os.close(i)
except: pass except: pass
try: try:
os.execv(cmd[0], cmd) os.execvp(cmd[0], cmd)
finally: finally:
os._exit(1) os._exit(1)
# Shouldn't come here, I guess # Shouldn't come here, I guess
@ -85,7 +86,7 @@ def _test():
w.close() w.close()
assert r.read() == teststr assert r.read() == teststr
print "testing popen3..." print "testing popen3..."
r, w, e = popen3('cat') r, w, e = popen3(['cat'])
w.write(teststr) w.write(teststr)
w.close() w.close()
assert r.read() == teststr assert r.read() == teststr